much of the violence happened when protesters stormed a muslim brotherhood headquarters building in cairo. tahrir square is filled with tents. they are refusing to leave until morsi backs down or resigns. morsi insists the power grab is not permanent and that he only wants to speed up the creation of a new constitution. >>> in bangladesh, investigators are trying to find out what sparked a fire that killed at least 112 people. flames raced through the eight-story clothing factory last night and many of the workers were trapped inside because the building did not have emergency exits. the factory supplied major retailers in the u.s. and europe. >>> after a bruising election season and a thanksgiving vacation, lawmakers get back to work tomorrow on captiol hill and they are facing the december 31st deadline to avoid the so-called fiscal cliff. that's when spending cuts and tax increases kick in. lawmakers from both parties are racing the clock to reach a compromise but despite a lot of optimism there is no plan on the table. brian moore has the story from washington. >> reporter: back from